.bar {
  width: 100px;
  height: 100px;
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px;
}

.foo {
  width: 100Px;
  height: 100PX;
  border: 2px solid #000;
  box-shadow: 0 12px 0px 5px rgba(0, 0, 0, .4);
}

.foo input {
  margin: 0;
  padding: 2px 12px;
  width: 2.5rem;
  font-size: 1.2em;
  outline: none;
}
